Seminal models of herd behaviour and informational cascades point out existence of negative information externalities, and propose to ?destroy? information in order to achieve social improvements. Although in the last years many features of herd behaviour and informational cascades have been...

This thesis contributes to the development of theoretical and experimental approaches that extend the analysis of risk preferences beyond the classical concept of expected utility theory. The thesis contains four main chapters.The first two chapters are concerned with extensions and applications...

Economics and management science share the tradition of ordering risk aversionby fitting the best expected utility (EU) model with a certain utility function to in-dividual data, and then using the utility curvature for each individual as the soleindex of risk attitude. (Cumulative) Prospect...

This paper studies the impact of incentives on worker self-selection in a controlled laboratory experiment. Subjects face the choice between a fixed and a variable payment scheme. Depending on the treatment, the variable payment is a piece rate, a tournament or a revenue-sharing scheme. We find...

In a large scale newspaper experiment 5,132 readers of the German weekly, Die Zeit, participated in a three-person bargaining game. In our data analysis we focus on (1) the influence of age, gender, profession and the medium chosen for participation on bargaining behavior and on (2) the external...